Package for food products and the like



JuneZO, 1939. s, H. BERcl-l 2,163,017

PACKAGE FOR FOOD PRODUCTS AND THE LIKE Filed May 24, 1938 4 Sheets-Sheetl INVENTOR.

BY mmf ,4 T'TORNEYS.

June s BERCH PACKAGE FOR FOOD PRODUCTS AND THE LIKE Filed May 24, 1938 4Sheets-Sheet 2 A I v IN V EN T 0R. JA Mz/EL H fRcH TTORNEYS.

June `2O, 1939. s. H. BERCH 2,163,017

PACKAGE FOR FOOD PRODUCTS AND THE LIKE BY .v

A TTORNEYS.

June 20, 1939.

s. H. BERCH PACKAGE FOR FOOD PRODUCTS AND THE LIKE 4 Sheets-Sheet 4Filed May 24, 193e m Z Y i la fr@ ,W1 .,J o l Z u ai X/w a 6 MAr'mRNEYs.

Patented v.lune 20, 1939 UNITED STATES PACKAGE Fon. FooD PRODUCTS ANDTm: Lum

:Samuel B. Berch, Beverly Hills, Calif., assignor to Arden Farms, Inc.,Los Angeles, Calif., a corporation of Maryland Application llllay 24,1938, Slerlal No. 209.733

4 Claims.

'Ihis invention relates to a package for food products and-the like.

Inthe sealing of food products, particularly those of semi-solidcharacter, such as iceecream, cheese and the like, it is desirable toprovide a carton of simple construction, which is both in-V expensive asto manufacturing cost and also to packaging costs, and it is furthermoredesirable to provide a carton which may be easily sealed l toeffectually enclose and preserve the contents thereof. Itisl theprincipal object of the present invention, therefore, to provide apackaging structure which includes a lining sheet and an outer sheetwhich, when folded and locked in 15 position, form an enclosing cartonfor `the product.

The present invention contemplates the provision of a sheet of stiffmaterial, such as cardboard, upon which is placed a lining sheet of a'zo material impervious to moisture and the like, and which t'wo sheetsof material may then be folded and held in a temporary assembledposition while a product is being placed therein, after which a sealingelement is applied to complete the carton 25 and to hold thefoldedstructure in its assembled condition around the product, whereby acomplete and final package is produced.

The invention is illustrated by way of example in the accompanyingdrawings, in which;

'3o Figure l is a view in perspective showing the assembled carton withwhich the present inven tion is concerned.

Fig. 2 is an enlarged view in transverse sectio showing the assembledcarton. A :sa Fig. 3 is'a -view in plan showing the blank forming theouter carton element.

Fig. 4 is a view in plan showing the cover element by whichv the top ofthe carton is sealed and by which the elements of the carton are in- -zuterlccked.

Fig. 5 is a View showing the inner lining sheet.

Fig. 6 is a view in plan showing the top lining sheet:

Fig. '7 is a view in transverse section showing I the carton temporarilyheld in the forming and filling mold.

Fig. 8 is a view in transverse section similar to that shown in Fig. 7in which the assembled and packedl carton in nal form is shown. to Fig.9 is a fragmentary View of the package assembly with the cover blankremoved. V

Fig. 10 isa fragmentary view of the cover with its locking Atang inposition.

Referring more particularly to the drawings,

456 I0 indicates a blank from which a container body i is made and withwhich thepresent invention is designed to operate. II indicates theblank vof a cover and sealing member adapted to interlock with the bodymember and to hold the carton sealed and in package form. The blank 54I0 is generally square in outline and has an octagonal center portion I2scored therein. This octagonal eld I2 is bounded by score marks I3 to 20, inclusive, and forms the bottom of a y container. 'I'he sides of thefield I2 as repre- 10 sented by the score marks carry side wall sectionswhich when folded at right angles to the bottom field I2 form thesidewalls of an octagonal container. Thewall sections adjoining f thescore marks I3, I5, vII and I9, are each des- 15 ignated by thenumeral2l. .The wall sections adjoining the score marks I4, I6, I8 and 20 areeach designated at 22. The sections 2|, are interlocking sections toreceive lock tangs carried by the cover member II as will be hereinafterdescribed. These sections have a transversely extending slit 23extending parallel to their outer e ges and suitably spaced therefrom.To facilitate in the interlocking operation `oppositely disposedinclined slits 24 and 25 are formed in the 26 portion of the members 2|between their outer edges and the slits 23, and are disposed a distancefrom the ends of the slits 23 as will accommodate the lock tangs ofthecover member.

Parallel score marks 26 and 2l extend fromthe 30 inner score markspreviously described and to the outer edges of the portions 2|. Thedistance between' these score marks isa' distance' representing thelength of the score marks bounding the octagonal center field I2. Themarginal 35 side edges of the portions 2| iiare outwardly as indicatedat 28 and form triangular portions 29 which produce overlapping cornerflaps for the finished container. 'I'he portions 22 have oppositeparallel sides 30 and 3| whichare spaced 40 a distance apart equal tothe length of the score marks of the octagonal center. The portions 22are also formed with a transverse score mark 32 which is parallel to theinner score mark of the octagonal field and is spaced a distance from-45 the inner score mark equal to that between the sides of the octagonalfield I2 and the outer marginal edge 33 of the portions 2l.Thisvdistance represents the height ofthe container. Formed as a part ofthe portions 22 and extending be- 50 yond the score marks 32 is a coverflap 34 which lies at the corner of the blank and has opposite vmarginaledges 35 and 36 which are in longitudinal alignment with the vmarginaledges 33 of the portions 2i. These edges terminate in 66 shoulders 31and 38-which are at right angles to outer marginal edges and meet withthe side edges 30 and 3|. The length of the triangular portions 29 asrepresented by the distance from the score marks 26 and 21 to the cornerof the triangular portions lying along the marginal edge 33 is shorterthan the distance between the score marks 26 or 21 and the edges 30 or3| of the wall portions 22. This is provided for a special purpose to behereinafter set forth. The cover blank is substantially square in shapeand has a hexagonal center portion agreeing in dimensions substantiallywith that of the hexagonal field I2 of the body blank |8. This hexagonalfield is designated at 39 and is bounded by marginal edges 40 and 41,inclusive. The edges 40, 42, 44 and 46 are the outer edges of the blank.The edges 4|, 43, 45, and 51 are diagonal I score marks adjacent thecorners of the blank.

These score marks separate locking tangs 48 from the octagonal eld 39.The tangs have outer marginal edges 49 and 50 which are at right anglesto each other and converge in a rounded point 5|. Locking hooks 52 areformed by recessed portions 53 adjacent to the base of each of thetangs. 'I'liese hooks pass through the slits 23 in the portions 2| ofthe body member and interlock therewith to hold the cover in place andto-hold all of the sides of the body member l in their assembledrelationship to preserve the shape of a sealed package.

Folded within the blank I8 forming the body 'of the carton is a thinlining sheet 55. This sheet agrees in configuration with the eld I2 ofthe blank I8, but is of larger overall dimensions than this field sothat its marginal edge will overlap the upper face of the food product;By reference to Fig. of the drawings, the inner liner is shown with the'folded marks indicated by dotted lines as they occur when thecarton isfolded. It will there be seen that the corners of the lining sheet 55fold over upon each other and conform to the octagona1 side faces of thefood product which is packed within the carton.

By reference to Fig. 6 a top lining element is shown which comprises asheet of relatively stil material 56 folded within a lining sheet 51.The lining sheets 55 and 51 are preferably made of material which isimpervious to moisture and 'air and will not contaminate the foodproduct or be deteriorated thereby.

Attention is directed to the fact that there are no interlockingelements provided on the blank f8 which interlock with any part of theblank I0. In other words, the blank I0 does not require any parti cularassembling operation to tuck tangs or locking' menbers into cooperatingparts of the blank. The blank I8 is held in its final assembled positionwith the food product therein by the interlocking action produced by thetangs of the cover blank ll, which fit within the locking slits 23 ofthe blank l0, and by the interlocking action of the portions 34 of theblank I0 in engagement as they are folded under and are held by thecover blank This construction is particularly disclosed in theperspective view indicated in Figs. 9 and 10 of the drawings.

In Fig. 9 a fragmentary view is shown in which the cover blank has beenremoved. One of the members 22 has been brokenv away so that the foldsin the lining sheet 55 will appear.

Here it will be seen that this material is folded.

upon itself in a gusset-.like manner, as indicated at 58, and that thetriangular portions at the sides of the members 2|, as defined by thescore marks 26 and 28, project into the fold of the gusset so that thelining sheet and the blank I0 will be interlocked when the package hasbeen completely sealed. It will also be seen that the naps 34 are foldedover the top of the package and that they Will overhang the upper edgesof the folds 2|.

Referring to Fig. 10, it will be seen that when the blank Il isassembled with the blank I8 the center fold 39 of the blank |0 willconform to the top conguration of the package, and that the lockingtangs 48 will fit down through the slits 23- of the blank l0 and overlapthe' edges 38 and 39 of the flaps 34 to prevent the aps 34 fromwithdrawing from their folded positions. Thus, the entire structure willbe held assembled by the locking action of the members 49 of the coverblank when they interlock with the blank l0 and are projected throughthe slits 23 therein.

In order to rapidly and efficiently form, ll and seal the package, amold 60 is provided. This mold has a bottom wall 6| through which acentral opening 62 is formed, and also provided with a plurality of sidewalls 63 which agree in number, height and width with the sides of thepackage to be formed.

' It will be understood that While the package is here shown as beingoctagonal in shape that `other forms might befound convenient.

It is preferable that alternate side faces of the mold shall be providedwith assembly pin structures 64. These constitute a pin 64' yieldablyheld by a spring 65 and projecting through an opening in the inner, faceof alternate side walls.

When packaging materials within the package structure here disclosed itis desirable to place the blank I8 within the mold 68 with the sides 2|of the blank registering with the sides of the mold which carry theassembly pin's 64'. 'I'liese pins have been so positioned as to insurethat the portion of the walls 2| above the slits 23 will be exed toprovide a relatively narrow throat 23 which communicates with anadjacent slit 23, this structure being shown in Fig. 7 of the drawings,When the blank is so positioned within the mold its portions 29 willoverlap the portions 22, as particularly shown in Fig. '1 and the flapsmold separately from a liner sheet 55 that this showing has been madefor the sake of clarity, and that in fact the liner sheet will standWithin the inside of the blank as generally indicated by dotted lines inthe figure.

The material to be packed is then placed within the blank I0 as heldwithin the mold. Attention is directed to the fact that the mold is usedas the only means for holding the blank in a temporary assembled andshaped condition, and that if the blank is removed from the. mold itwould tend to spread out to its original form since the parts of theblank do not interlock. After the material has been placed within thefolded and lined blank to a. level approximating the upper edge of themold, the cover lining, as shown in Fig. 6, is placed upon the materialand the upper free edges of the lining- 55 are folded these will passthrough the throats 23 and into a locking position through the slits 23of the blank Hl. Pressure is then exerted against the bottom I2 of theblank I0 through the opening 62 of the mold to eject the completepackage from the mold. It will thus be evident that the cover blank Ilwill hold the entire structure in assembled position with its variousparts properly interlocked.

While I have shown the preferred form of my invention as now known tome, it will be understood that various changes may be made incombination, construction and arrangement of parts by those skilled inthe art, without departing from the spirit of my invention as claimed.

Having thus described my invention, what I claim and desire to secureby' Letters Patent is: 1. A container comprising an inner wrapper for aproduca said wrapper having a central polygonal eld and a marginalportion around the entire perimeter thereof for forming side walls whenfoldedat right angles to the centerv iield and. being scored to formintermediate gussets, a cover Wrapper having a central polygonal eld anda, marginal iieldA adapted to receive said inner wrapper, the marginaliield forming outer side walls agreeing with the side walls of thewrapper and providing tangs along edges thereof adapted to Afold intothe gussets of the inner wrapper, and a top cover of polygonal shape`adapted to be placed over the cover wrapper to engage the same and tohold the parts of the container in their folded and formed condition andto close the container.

2.A container comprising an inner wrapper for a product, said wrapperhaving a central `polygonal field and a marginal portion around theentire perimeter vthereof for forming side walls when folded at rightangles to the center :field and being scored' to form intermediategussets, a cover wrapper having a central polygonal eld and a marginaliield adapted to receive said inner wrapper, the marginal iield formingouter side walls agreeing with the side walls o f the wrapper andproviding tangs along edges thereof' adapted to fold into the gussets ofthe inner 3 wrapper, a top cover of polygonal shape adapted to be placedover the cover wrapperto engage the same and to hold the parts of thecontainer in their folded and formed condition and to close thecontainer, and interlocking means between the top cover and the coverwrapper for 3. Same as 2, adding the following: said interlocking meansbeing formed by slits formed in the walls of the marginal iields of thecover `holding the top cover in position.

wrapper and tangs carried at the marginal edges of the top cover andprojecting into and interlocking with said slits.

4. A container comprising an inner wrapper for a product, said wrapperhaving an octagonal central iield, from each edge of which a rectangularmarginal field extends to provide a side wall for a container formed byfolding said rectangular fields at right angleslto the center eld,triangular portions extendingbetween the contiguous edges of therectangular elds and vfolded upon themselves to form triangulargussetsly ing against the faceof the contiguous side walls.V l

an' outer carton enclosing said inner wrapper, said outer cartonhaving'a central octagonal eld agreeing with the octagonal iield of theinner wrapper, the ysides of said rectangular sections emanating fromthe sides of the rectangular eld of the outer carton and when folded atright angles to the central eld forming a container for the innerwrapper and the product disposed therein, alternate triangular flaps-formed along the opposite edges of alternate rectangular fields andoverlapping the intermediate rectangular elds of the carton, saidtriangular aps extending into the gussets of the inner wrapper, a topcover octagonal in shape covering the assembled structure, andinterlocking means between the cover and the side walls of the outercarton whereby the carton and its inner wrapper will be maintained intheir assembled and folded condition and the package will be sealed.

. SAMUEL H; BERCH.

